Windows 8 in the enterprise: From tablet to desktop PC

During the Windows
8 preview day in Amsterdam, Microsoft explained how it plans to change the way everyone
uses computers in its so-called "beautiful experience".

This will inevitably affect the way corporates use the Windows operating system (OS). The
Windows 8 Metro user interface (UI) is touchscreen-focused, which means there is no real concept of
a Start menu to launch applications. Applications never exit; they simply stop, or suspend, when
the user moves to a different application.

With a mouse, the corner of the screen is used to invoke Windows features, switch apps and
scroll. People will need to get used to keyboard shortcuts to navigate Windows 8 on a laptop.

But it is the programming model that could cause the biggest headaches in corporate IT. It
enables internet-style programming, where applications can use mashups of other web applications,
such as embedded Google Maps.

Windows 8 programming complexities

Microsoft has introduced a publish/subscribe model for programming applications, which allows
app developers to publish information they wish to share with other apps. The developer does not
need to know how a third-party app will use this information.

People will need to get used to keyboard shortcuts to navigate
Windows 8 on a laptop

During TechEd in Amsterdam, Antoine Leblond, corporate
vice-president of Windows web services at Microsoft, showed how National Rail's Windows 8 app could
be enhanced automatically because it publishes information on station locations that Windows 8 can
pick up and pass to a mapping app to show the user where the station is located.

Microsoft calls this concept a "contract". Chaitanya Sareen, principal program manager at
Microsoft, said a contract is an agreement the app has with Windows. "The app register shares
contracts. When multiple apps share contracts, they share features," he said.

From a presentation perspective, Windows 8 provides "charms", a UI feature that allows the user
to select application options, rather like the right mouse button in Windows 7. The charms show the
contracts the app supports.

"Supporting contracts makes the app part of the system, to improve the whole Windows 8 system,"
said Ian LeGrow, partner group program manager at Microsoft.

He added that developers can bring their existing skills to Windows 8. "Visual Studio Express is
available free to any developer," said LeGrow.

In a new paper on Windows RT – Windows 8 changes Windows as we know it – Gartner analyst
Michael Silver noted that RT, the underlying Windows runtime environment, represents a major
disruption to the Windows OS.

The Metro/WinRT side of Windows 8 is likely to require some
polishing to get the user experience right

Michael Silver, analyst, Gartner

"We believe Windows 8 is the start of Microsoft's next technology shift to WinRT technology," he
stated in the report. "The shift to WinRT technology does not seem to make significant changes to
the Windows kernel, but the major interfaces to the plumbing are changed, including the APIs
(application programming interfaces) and UI.

"In many ways, these changes are more major and disruptive than most plumbing releases. The
Metro/WinRT side of Windows 8 is new plumbing and is likely to require some polishing to get the
user experience, among other things, right," wrote Silver.

Bola Rotibi, an analyst at Creative Intellect Consulting, questioned whether a Windows 8 app
would run in a usable fashion on Windows 7: "Many businesses will want to stick with Windows 7 for
the time being, but if they wish to future-proof applications, how much extra work would be
required?"

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